baber/WOPTO huggingface dataset:
Patent GB-1092279-A (GB)
Title: Process for the preparation of instantaneously soluble, porous granular sugar
IPC: C13B30/02
Filed: 1965-12-21
Abstract: In preparing porous, uniformly granular sugar, which is substantially instantaneously soluble in water, an aqueous, concentrated, e.g. 80 to 95 percent by weight, solution of sugar having a temperature between 110 DEG  and 130 DEG  C. is agitated and cooled to normal temperature, e.g. between 15 DEG  and 20 DEG  C., to form a crop of fine, micro-size sugar crystals, which together with the mother liquor are mixed with a hydrophilic, volatile organic solvent, such as ethyl alcohol, methyl alcohol or acetone, and most of the resulting liquor is removed, as by centrifuging, to leave sugar crystals coated with a thin film of mother liquor mixed with the organic solvent.  The coated sugar crystals are then granulated, e.g. screen-granulated, and dried to yield uniformly granular sugar according to the invention, e.g. having a granular size between 0.4 and 0.8 m.m., a bulk density between 0.4 and 0.5 g. per ml. and a water content between 0.04 and 0.06 percent, by weight. Alternatively, the mixture of sugar crystals, mother liquor and organic solvent may be spray-dried, or film-dried and pulverized or granulated.
Patent GB-1429287-A (GB)
Title: Process for the preparation of 3-alkyl-cyclopentane-1,2-diones and intermediates therefor
IPC: C07C45/00
Filed: 1974-12-16
Abstract: 1429287 Cyclopentenone derivative EL PASO PRODUCTS CO 16 Dec 1974 [19 Dec 1973] 54224/74 Heading C2C A 2 - alkoxy - 3,5 - dicarboalkoxy - 5 - cyclopent-2-ene-1-one is prepared by condensing a dialkyl ester of glutaric acid with a dialkyl ester of oxalic acid, in a polar aprotic solvent, in the presence of an alkali metal alkoxide and at temperatures sufficient to effect condensation of said esters to form a 3,5-dicarboalkoxy cyclopentane- 1,2-dione dialkali metal salt which is then contacted with at least a stoichiometric amount of an alkyl halide under alkylating conditions to produce a 2-alkoxy-3,5-dicarboalkoxy-5-cyclopent-2-ene-1-one. The product may be hydrolysed by heating with a 10-30% aqueous mineral acid solution to produce a 3-alkyl cyclopentane-1,2-dione.
Patent GB-1456018-A (GB)
Title: Active control of sound waves
IPC: F16L55/033
Filed: 1972-11-24
Abstract: 1456018 Sound wave attenuation by interference NATIONAL RESEARCH DEVELOPMENT CORP 15 Nov 1973 [24 Nov 1972] 54370/72 Headings FIB, FIG and F1J Apparatus for attenuating sound waves propagating in a duct, e.g. of a jet engine, Fig. 10, comprises an array of sound sources 11, 11a, 11b or 13, 13a, 13b longitudinally spaced relative to the axis of propagation of the sound waves to be attenuated the sources being adjacent the duct walls and the arrangement being such that the resultant of the generated sound waves propagating along the duct in one direction interferes destructively with the sound wave to be attenuated and the resultant of the generated sound waves propagating in the opposite direction is negligible. Detectors 12, 12a, 12b (each consisting of three or four microphones distributed around the duct) detect the sound to be attenuated and by means of an amplifying and delay unit cause signals to energize the sources 11, 11a, 11b (each consisting of three or four loudspeakers). The arrangement of speakers is such as to propagate sound of a particular frequency only towards the inlet orifice of the engine shown, this sound interfering destructively with the sound from the engine. The arrangement of the microphones is the same as that of the loudspeakers so that the microphones are not subject to positive feedback and respond only to the sound wave to be attenuated. At the rear of the engine are detectors 14, 14a, 14b and sources 13, 13a, 13b, comprising microphones and loudspeakers respectively, which behave similarly.  In Fig. 11, a rectangular cross-section silencer 22 has sound detectors 23, 23', 23" coupled via amplifying and delay circuitry 25 to loudspeaker sources 24, 24', 24" to produce sound waves to interfere destructively with sound propagated along the silencer 22 from a jet engine 21.
Patent GB-1278649-A (GB)
Title: Continuous production of ethylene homopolymers
IPC: C08F10/00
Filed: 1969-11-06
Abstract: 1278649 Polymerizing ethylene BADISCHE ANILIN- & SODA-FABRIK AG 6 Nov 1969 [7 Nov 1968] 54426/69 Heading C3P Ethylene homopolymers are prepared by continuous polymerization of ethylene in the presence of organic peroxide initiator and a polymerization modifier at 280‹ to 340‹ C. and 1500 to 4000 atmospheres in a tubular reactor having two successive reaction zones of about equal length, a mixture of ethylene, peroxide and modifier being introduced at the beginning of each stage, wherein (1) a mixture of ethylene, 1 to 5 mole p.p.m. of an organic hydroperoxide having a half value temperature in the range 200‹ to 260‹ C. and 1À2 to 1À7 parts by weight per 100 ethylene of a modifier having a C s  value of 2À0 Î 10<SP>-2</SP> to 1À0 Î 10<SP>-4</SP> is introduced at 170‹ to 220‹ C. to the beginning of the first zone in which the reaction temperature is kept in the range 310‹ to 340‹ C., and (2) a mixture of ethylene, 5 to 20 mole p.p.m. of an organic peroxy compound having a half value temperature in the range 150‹ to 195‹ C. and 1À2 to 1À7 parts by weight per 100 ethylene of a modifier having a C s  value in the above range is introduced at 160‹ to 190‹ C. to the beginning of the second zone in which the reaction temperature is kept in the range 280‹ to 300‹ C., the half value temperatures of said hydroperoxide and peroxy compound differing by at least 20‹ C. and the weight ratio of the mixtures introduced per unit time being in the range 1 : 2 to 2 : 1. Specified hydroperoxides are p-menthane, cumene and diisopropylbenzene monohydroperoxide, and 2- hydroperoxy - 2 - (isopropylphenyl) propanes and mixtures thereof. Specified peroxides are di-t-butyl peroxide, t-butyl peracetate, t-butyl perbenzoate and methyl ethyl ketone peroxide. Specified modifiers are propylene, propane, methane and cyclohexane. The products have a broad molecular weight distribution free from very high molecular weight constituents, and are useful for making laminating films and for coating paper and fabrics.
Patent GB-1532412-A (GB)
Title: Hydraulic or pneumatic ram
IPC: F15B11/12
Filed: 1975-12-04
Abstract: 1532412 Hydraulic or pneumatic ram VAUGHAN ASSOCIATES Ltd 4 Dec 1975 [18 Dec 1974] 54785/74 Heading F1D An hydraulic or pneumatic ram Fig. 1 (upper section) comprises a casing 11, three pistons, 13, 14 and 15, piston 13 being screw threadedly received on a shaft 17, piston 14 being slidably received on the shaft 17 and piston 15 being slidably received on the stem portion 21 of piston 14, stops 19, 23, 29 and 32 screw threadedly received by the shaft 17, pistons 14 and 15 and the casing 11  respectively, three fluid inlets 47, 48 and 49 to admit pressurized fluid into chambers 42, 43 and 44 so that pistons 13, 14 and 15 may be extended individually (piston 15 being moved first) thus moving the ram head 18 between four distinct positions, and seals 50. The axial position of the piston assembly may be adjusted by rotating stop 32 and the stroke of each piston 13, 14 and 15 may be adjusted by rotating its respective stop 19, 23 and 29. Venting ducts 61 are also provided and the ram may be retracted by introducing pressurized fluid into a chamber 66 via a fluid inlet 65. The ram may be used to actuate a variable pulley Fig. 3 such as that used in the drive arrangement of a lathe. In such an arrangement the ram head 10a engages a pivotally mounted transmission element 126 having two arms 128 (129) Fig. 2 (not shown) which engage a thrust plate 130 which is connected to the side 105 of a pulley. The side 105 and plate 130 are axially movable relative to side 106 of the pulley which is fixed to a sleeve 110 fixedly received on a shaft 112, driven by a motor 113. Resilient biasing means (not shown) urge side 105, away from side 106. Extension of the ram 10 causes the side 105 to move towards the side 106 the axial spacing of these two sides determining the position of a driven belt 102 in relation to the axis of rotation of the pulley and hence determining the speed at which the belt is driven.
Patent GB-1326581-A (GB)
Title: Injection moulding process and  injection mould for carrying  out this process
IPC: B29C45/16
Filed: 1970-10-19
Abstract: 1326581 Injection moulding two-colour articles LUDWIG ENGEL KG MASCHINENFABRIK 19 Nov 1970 [26 Nov 1969] 55039/70 Heading B5A An injection mould for making two-colour articles comprises a main mould part 3 having two inlets 1,2, first and second interchangeable mould parts 8, 8<SP>1</SP> and 10 movable to form respective cavities with the main mould part, and a movable mould part 9 operable to close the second inlet 2 during injection through the first inlet 1 into the first mould cavity. As shown during the second injection, pins 5, 6 and 9 are withdrawn and mould part 8, 8<SP>1</SP> is replaced by a mould part 10 (Fig. 2). The mould is used for making typewriter or calculating machine keys, the character being determined by an exchangeable insert 11. The mould parts 8, 8<SP>1</SP> and 10 are supported by a rotary or sliding plate 7, and a, stripper plate 4 is provided.
Patent GB-1454996-A (GB)
Title: Fluid filters
IPC: B01D46/24
Filed: 1972-11-29
Abstract: 1454996 Filter for transit bag D A G MARSHALL 29 Nov 1973 [29 Nov 1972] 55190/72 Heading BIT [Also in Division B8] A gas filter for attachment to flexible containers filled with dusty and/or toxic materials (e.g. lead compounds) comprises a hollow pleated paper filter element 30 enclosed between tubular metal mesh screen 32 and 34, and an outer cap 52 rotatably slidable over housing wall 38 to bring outlet holes 68 and 70 into or out of register. Gas enters through hole 42, passes through screen 34, filter element 30 and screen 32 and passes out of holes 68 and 70 when in register. Rotation of cap is limited by screws 56 set in wall 38 through slots 60 in cap 52. Fig. 1 (not shown) shows a container with filling tube (20) emptying tube (24) and gas filter (28) attached. The housing may be of metal or plastics.
Patent GB-1162709-A (GB)
Title: Thin Film Capacitors
Inventor: AXELROD NORMAN NATHAN
IPC: C22C27/02
Filed: 1966-12-09
Abstract: 1,162,709. Thin film capacitors. WESTERN ELECTRIC CO. Inc. 9 Dec., 1966 [27 Dec., 1965], No. 55280/66. Heading H1M. A thin film capacitor comprises a glass or glazed ceramic substrate 11, a layer 12 of a tantalum alloy deposited by cathodic sputtering, vacuum evaporation, vapour plating &c., an anodized oxide layer 13 formed on a selected area of the alloy layer, and a counter electrode 14. The alloy preferably contains 0.01 to 20 atom per cent of one or more elements selected from molybdenum, iron, copper, nickel, aluminium, tungsten, titanium, vanadium, silver, gold, zinc, cadmium, mercury, gallium, indium, thallium, zirconium, hafnium, niobium, chromium, cobalt, ruthenium, rhodium, palladium, osmium, iridium and platinum, preferably from the first eight of these. Such capacitors have high cathodic breakdown voltages and are often non-polar.
Patent GB-1331958-A (GB)
Title: Methods of preparing graft polymer and resin compositions
IPC: C08L51/00
Filed: 1970-11-20
Abstract: 1331958 Graft polymers SHINETSU CHEMICAL CO 20 Nov 1970 [22 Nov 1969] 55327/70 Heading C3G A method of preparing a graft polymer having a diene rubber polymer trunk, comprises: (i) partially polymerizing (a) a monomer mixture comprising styrene together with methyl methacrylate and/or acrylonitrile, or (b) a monomer mixture consisting essentially of at least 90% by weight of (a) and not more than 10% by weight of a copolymerizable monomer selected from unsaturated dibasic acids and their esters, to produce a prepolymer having a viscosity of 1-100 centipoises at 60 C., (ii) adding 30-75 parts by weight of said prepolymer to an aqueous emulsion of 70-25 parts by weight of a diene rubber polymer prepared by polymerizing 100- 50% by weight of one or more conjugated diene hydrocarbon(s) with 0-50% by weight of one or more unsaturated monomer(s) and subsequently (iii) graft polymerizing the resulting mixture at 40-80 C. for 4-10 hours in the presence of a redox catalyst comprising 0À1-2% by weight of peroxide and 0À1-3% by weight of a water soluble reducing agent, based on the amount of prepolymer. The prepolymers may be prepared by subjecting the mixtures of monomers to emulsion polymerization, suspension polymerization or preferably bulk polymerization. In step (i) a portion of the monomer mixture may be first partially polymerized and then a further quantity of the same monomer mixture is added. The copolymerizable monomer may be itaconic acid, fumaric acid, maleic acid or dimethylitaconate. The diene rubber polymer may be prepared by copolymerizing 50- 100 parts by weight of butadiene, chloroprene or isoprene with 0-50 parts by weight of styrene, acrylonitrile, methyl methacrylate, isobutylene, vinyl cyanide, an acrylic acid ester, or an α-olefin. The invention also provides a composition comprising 5-30 parts by weight of the graft polymer and 95-70 parts of a vinyl chloride resin. The vinyl chloride resin may be vinyl chloride homopolymer or a copolymer of at least 80% by weight vinyl chloride and not more than 20% by weight of a copolymerizable monomer such as vinyl acetate or an alkyl vinyl ether. Numerous specific examples of different graft polymers are included.
Patent GB-1285895-A (GB)
Title: Hydrocarbon concrete mixture
IPC: C08K3/04
Filed: 1969-11-12
Abstract: 1285895 Bituminous composition COMPAGNIE FRANCAISE DE RAFFINAGE 12 Nov 1969 [13 Nov 1968] 55431/69 Heading C3N A bituminous composition consists of an aggregate, bituminous binder and a filler which has a largest particle dimension of less than 80 Á and consists of or contains a solid organic filler component containing at least 80% by weight carbon, having a C/H ratio of more than 12 and comprising at least 80% by weight carboids. Carboids are defined as that fraction of the organic filler component which is insoluble in carbon disulphide. The organic filler component may be a petroleum coke or a coal coke. The petroluem coke may be obtained by "fluid coking" and "delayed coking" processes. The aggregate has a particle size greater than 80 Á and generally ranges between 80 Á and 12À5 mm. and may consist of a combination of gravel, pebbles and sand. The filler may also include a fire-sand or limestone. The bituminous binder is derived from petroleum or coal and may be obtained by direct distillation, fluxing deasphalting pitches or vacuum distillation residue, or blowing bitumen. The bituminous binder may also be natural asphalt, tar or pitch or a mixture of any of these materials. It may also be mixed with plastics materials, e.g. tar and polyvinylchloride; or bitumen and rubber latex. A suitable bituminous concrete contains 93 parts by weight of aggregate, 7 parts by weight filler and 6À5 parts by weight binder based on the total weight of aggregate and filler. Specific examples disclose compositions specifying the amounts of binder, aggregate and filler in which examples the bituminous binder has a penetration of 80/100 in dmm. at 25‹ C.
Patent GB-1145558-A (GB)
Title: Improvements in or relating to electrical transmission lines
IPC: H01P1/00
Filed: 1966-12-16
Abstract: 1,145,558. Conductive screens. INTERNATIONAL BUSINESS MACHINES CORP. 16 Dec., 1966 [27 Dec., 1965], No. 56372/66. Heading H1A. [Also in Division H2] An electrical transmission line comprises an  insulated conductive wire 14 immersed in a conductive liquid 16 which is connected to a source of reference potential (earth as illustrated) by contact means 20 so as to provide the wire with a coaxial outer conductive shield. A plurality of such conductors are provided in an arrangement which is intended to function as a test-probe for making connection with the terminals 28 of an integrated circuit 26. The assembly is formed in a two-part housing 10, 12 which has chamfered corners 30 on the upper part to permit upward movement of the wires through holes 18. The wires may be berylliumcopper or phosphor-bronze and may have gold coated tips. The liquid may be mercury, gallium or an alloy thereof. The housing may be formed of polystyrene. Contact means 20 may be dispensed with and connection made to the liquid by a wire 14 which is stripped of its insulation. Wires 14 may include a double bend, Fig. 2 (not shown) to increase flexibility.
Patent GB-1218380-A (GB)
Title: Shelf-serving apparatus
IPC: B65G1/06
Filed: 1968-11-28
Abstract: 1,218,380. Roller conveyers; lift trucks. DEMAG-ZUG G.m.b.H. 28 Nov., 1968 [8 Jan., 1968], No. 56603/68. Headings B8A and B8H. [Also in Division A4] In shelf-serving apparatus in which alift truck provided with a load table 7 with driven rollers 8 serves shelving 1 provided with a load bearing roller train, a drive for the first or front shelf roller 2 is provided on the lift truck for facilitating the transfer of the load from truck table to shelf. The truck table has a crank 6 pivoted on the axis of its front roller 8 and having one arm carrying a deformable wheel 4 frictionally engaging and driven by roller 8 and the other arm connected to e.g. a hydraulic or pneumatic motor 5 whereby the crank is swung round to press the wheel 4 on to both frontally positioned rollers 2, 8 so that the forward drive of the table rollers is communicated via the wheel 4 to the shelf roller train.
Patent GB-1331612-A (GB)
Title: Copolymers for aqueous electro coating systems
IPC: C09D5/44
Filed: 1970-11-30
Abstract: 1331612 Half ester copolymers; electrodeposition coating compositions DESOTO Inc 30 Nov 1970 [15 Dec 1969 21 April 1970] 56721/70 Headings C3P and C3R [Also in Division C7] An aqueous dispersion of a copolymer of at least 20% by weight, based on the weight of the copolymer, of a maleic, fumaric or itaconic half ester, and one or more monoethylenic monomers, there being in the copolymer at least as many units derived from the monoethylenic monomer or monomers as there are maleic, fumaric or itaconic half ester units, the copolymer optionally including a proportion of a monoethylenic ester of a monocarboxylic acid or a monoethylenic bis ester of a dicarboxylic acid, there being at least 6 carbon atoms in at least the number of esterifying required to be provided by the half ester. In the examples styrene isodecyl acid maleate, butyl acid maleate and dioctyl maleate are copolymerized in the presence of 2-butoxyethanol, benzoyl peroxide, tertiary butyl perbenzoate, triethylamine, a tertiary glycidyl ester, methyl ethyl ketone and 2-methoxy ethanol. Electrolytic baths are made up containing these copolymers and benzoguanamine resin, xylene, n-butanol, triethyl amine, water, 2-ethoxyethanol, a methylated ethylated melamine-formaldehyde resin and triethanolamine.
Patent GB-1127870-A (GB)
Title: Improvements in or relating to pressure relief valves
IPC: F16K17/10
Filed: 1966-12-20
Abstract: 1,127,870. Valves. GROVE VALVE & REGULATOR CO. 20 Dec., 1966 [17 Jan., 1966], No. 56972/66. Heading F2V. A fluid pressure relief valve comprises an upstanding seat 32 around the inlet 30, and a closure member 40 formed as a receptacle, for a resilient disc 46, with an annular extension 44 to co-operate with the seat 32 and provide a restricted orifice, and prevent the disc 46 from being over compressed in the closed position, and a vent 48 to connect the space at the back of the disc with the downstream side of the closure. The disc 46 is backed by a perforate member 50, e.g. sintered metal or wire mesh. The member 40 is guided by a stem 42 in bore 38 and loaded to the closed position by a spring 55 whose loading may be varied by a nut 56, which is rotated by a tool engaging in the holes 59. An outlet fitting 60 is screwed into the end of the housing which covers the holes 59, and is looked in position by a wire so as to prevent tampering. The vent 48 may pass axially through the stem 42. The outlet may be disposed in the side of the housing, and the end closed by a plug. The valve may be loaded by a fluid system, Fig. 8, not shown, in which a diaphragm (108) is acted upon by fluid passing through a damping orifice (104) to a chamber (106).
Patent GB-1242627-A (GB)
Title: Improvements in or relating to power generating plants
IPC: F01K3/04
Filed: 1969-11-21
Abstract: 1,242,627. steam and vapour turbine powerplant. BABCOCK ATLANTIQUE. Nov.21, 1969 [Nov.29, 1968], No.57160/69. Heading F1Q. Apparatus for generating power and supplying a variable load comprises a vapour condensation cycle plant at least one tank HL for the storage of a heat transfer liquid, means RVi 1  RVi<SP>1</SP> for heating this liquid by heat exchange with vapour drawn off from the vapour condensation cycle plant and an absorption cycle power generation plant connected to the tank to employ the heat transfer liquid as a source of heat and comprising at least one degasifier D for the aqueous gas solution a gas turbine Ta Ta<SP>1</SP> Ta<SP>11</SP> and an absorber A, A<SP>1</SP>, A<SP>11</SP> for reception of weakened solution coming from the degasifier D and for enrichment of the weakened solution by absorption of exhaust gas from the turbine as shown expansion of at least part of the gas, which may be ammonia, is performed in several stages in consecutive turbine units with resuperheating of gas between stages. Liquid heated by vapour from the condensation (steam) cycle and cooled liquid employed to supply the absorption cycle may be divided into two superposed horizontal layers situated in the same tank HL.
Patent GB-1420972-A (GB)
Title: Moulds for forming expanded resin bodies and methods of using the same
IPC: B29C44/18
Filed: 1972-12-18
Abstract: 1420972 Packaging G ARNAUD 18 Dec 1972 [16 Dec 1971]] 58322/72 Heading B8C [Also in Division B5] An article 4 is packed in a foamed polyurethane resin shell 18 by supporting the article, which is preferably first wrapped in a resin envelope, in a mould 1 by means of threads 3, and moulding the foamed resin around the article. The mould is lined with jute cloth or other porous material to provide on the shell a protective outer covering 2 which may be suitably inscribed, e.g. to describe the contents. The threads 3 become incorporated in the shell and may be used to destroy it, to unpack the article, by tearing (Figs. 4, 5, not shown). As shown in Figs. 10, 11 the packing may be provided with legs 26 and reinforcing members 36, 42, 43 and 44.
Patent GB-1292145-A (GB)
Title: Improvements in or relating to ink cartridges for writing instruments
IPC: B43K5/14
Filed: 1969-12-02
Abstract: 1292145 Reservoir pens ETABS CHRISTIAN SA 2 Dec 1969 [20 Feb 1969] 58831/69 Heading B6P An exchangeable ink cartridge for nib, felttip or ball-point pens comprises a ferrule 2 for attachment to a writing tip, the ferrule including an elastic skirt 6 to permit a range of writing tips having differently sized connectors 3 to be attached to the cartridge. The cartridge includes a breakable seal such as a ball 4 or membrane (5, Fig. 3).
Patent GB-1422129-A (GB)
Title: Method and apparatus for monitoring surface coatings or glass  containers
IPC: G01B11/06
Filed: 1972-12-22
Abstract: 1422129 Treating glass containers J D MCCALL (Owen-Illinois Inc) 22 Dec 1972 59364/72 Heading B8C [Also in Division G1] Alkaline glass on the inside of a container, e.g. a vaccine bottle or an ampoule, is treated with acid to form a neutral salt coating whose thickness is measured optically to check that neutralization has been effected properly. Light is passed through the container and is filtered to restrict it to wavelengths where the scattering or absorption by the coating is a maximum and is then incident on a light detector (see Division G1). The surface of the bottles tends to be more alkaline than the bulk. Thus after ensuring the bottle is neutralized satisfactorily the coating may be washed away leaving a new surface whose alkalinity is acceptable, being that of the bulk.